docs: def get_similar(self, limit=None):
          """Returns the similar artists on the network."""
  
          params = self._get_params()
          if limit:
              params["limit"] = limit
  
          doc = self._request(self.ws_prefix + ".getSimilar", True, params)
  
          names = _extract_all(doc, "name")
          matches = _extract_all(doc, "match")
  
          artists = []
          for i in range(0, len(names)):
              artists.append(
                  SimilarItem(Artist(names[i], self.network), _number(matches[i]))
              )
  
          return artists